/* a wrapper element that tracks the mouse vertically */
.vjs-thumbnail-holder {
  position: absolute;
  overflow: hidden;
  left: -1000px;
  bottom: 3.2em;
  border: 1px solid #121212;
}

/* the thumbnail image itself */
.vjs-thumbnail {
  position: absolute;
  left: 0;
  opacity: 0;
  transition: opacity .2s ease;
  -webkit-transition: opacity .2s ease;
  -moz-transition: opacity .2s ease;
  -mz-transition: opacity .2s ease;
}

.vjs-thumbnail-holder .vjs-thumb-duration {
    position: absolute;
    bottom: 0;
    left: 0;
    background: rgba(0, 0, 0, .6);
    color: #fff;
    width: 100%;
    text-align: center;
    font-size: 12px;
    line-height: 1.5em
}

/* fade in the thumbnail when hovering over the progress bar */
/* .fake-active is needed for Android only. It's removed on touchend/touchecancel */
.vjs-progress-control:hover .vjs-thumbnail,
.vjs-progress-control.fake-active .vjs-thumbnail,
.vjs-progress-control:active .vjs-thumbnail {
  opacity: 1;
}

/* ... but hide the thumbnail when hovering directly over it */
.vjs-progress-control:hover .vjs-thumbnail:hover,
.vjs-progress-control:active .vjs-thumbnail:active {
  opacity: 0;
}

.video-js .vjs-progress-control:hover .vjs-play-progress:after {
    display:none;
}